Earlier today I set a puzzle which is extremely hard to answer if you are not a soap bubble.
The four towns
Four towns are situated at the corners of a square, as below:
What is the road system that connects all four towns using the smallest total…

Earlier today I set a puzzle which is extremely hard to answer if you are not a soap bubble.
The four towns
Four towns are situated at the corners of a square, as below:
What is the road system that connects all four towns using the smallest total…